There are so many stray animals the sad truth is shelters simply can’t keep up. A lot of dogs and cats in shelters will be put down at some point. The law of supply and demand applies to shelters just like everywhere else, and there are more semi-feral moggies and unwanted pooches than there are potential owners.
Please bear in mind that some photos in this article are stock photos just used for illustration. The places and people pictured aren’t necessarily associated with this post.